12851456 has 36 divisors (see below), whose sum is σ = 27170892. Its totient is φ = 6045696.

The previous prime is 12851417. The next prime is 12851479. The reversal of 12851456 is 65415821.

It can be written as a sum of positive squares in 2 ways, for example, as 10240000 + 2611456 = 3200^2 + 1616^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2876 + ... + 5828.

It is an arithmetic number, because the mean of its divisors is an integer number (754747).

Almost surely, 2^12851456 is an apocalyptic number.

12851456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12851456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13585446).

12851456 is an abundant number, since it is smaller than the sum of its proper divisors (14319436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12851456 is an equidigital number, since it uses as much as digits as its factorization.

12851456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986 (or 2972 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The square root of 12851456 is about 3584.8927459549. The cubic root of 12851456 is about 234.2344546648.

The spelling of 12851456 in words is "twelve million, eight hundred fifty-one thousand, four hundred fifty-six".